RST Series
High load motorized rotation stages
Series Specifications
Download Datasheet| Built-in Controller |  |
| Recommended Controller | MCC (48 V) Recommended |
| AutoDetect |  |
| Range | +/- 360° |
| Weight | 2.4 – 14.5 kg |
| Accuracy (unidirectional) | 0.075 – 0.16° |
| Repeatability | < 0.0015 – < 0.005° |
| Backlash | < 0.05° (< 0.873 mrad) |
| Radial Error Motion | +/- 2.5 – +/- 3 µm |
| Axial Error Motion | < 3 – < 4 µm |
| Tilt Error Motion | +/- 0.0014 – +/- 0.003° |
| Microstep Size (Default Resolution) | 0.00015625 – 0.00027574° |
| Default Resolution | 1/64 of a step |
| Maximum Torque | 10 – 70 N⋅m |
| Maximum Continuous Torque | 10 – 45 N⋅m |
| Maximum Centered Load | 500 – 3000 N |
| Maximum Moment (Tilt) | 20 – 200 N⋅m |
| Stiffness (Tilt) | 870 – 8000 N⋅m/° |
| Maximum Speed | 24 – 60°/s |
| Minimum Speed | 0.000095 – 0.000168°/s |
| Speed Resolution | 0.000095 – 0.000168°/s |
| Maximum Angular Momentum | 0.4 kg⋅m2 – 1.6 kg⋅m2/s |
| Encoder Type | |
| Limit or Home Sensing | Magnetic home sensor |
| Angular Motion Per Motor Rev | 2 – 3.5294° |
| Motor Steps Per Rev | 200 |
| Motor Type | Stepper (2 phase) |
| Motor Rated Current | 1500 – 3000 mA/phase |
| Motor Winding Resistance | 0.53 – 2.4 ohms/phase |
| Motor Winding Inductance | 2 – 6.6 mH/phase |
| Motor Connection | D-sub 15 |
| Motor Frame Size | 17 – 23 |
| Gear Ratio | Varies |
| Stage Top Dimension | 120 – 240 mm |
| Bearing Plane Offset | 27.1 – 30.75 mm |
| Guide Type | Varies |
| Mechanical Drive System | Precision Worm Gear |
| Mounting Interface | Varies |
Filter By Feature
Choose one or more options below to filter the parts table.
RSTRotation Stage Diameter: 120, not selectedWorm Gear Ratio: A, not selectedTop Mounting Option: K, not selected-Connector: T3A
Showing 2 of 2 parts.Worm Gear Ratio
Top Mounting Option
Connector
Part Specifications Comparison
| Part Number | Weight | Accuracy (unidirectional) | Repeatability | Radial Error Motion | Axial Error Motion | Tilt Error Motion | Microstep Size (Default Resolution) | Maximum Torque | Maximum Continuous Torque | Maximum Centered Load | Maximum Moment (Tilt) | Stiffness (Tilt) | Maximum Speed | Minimum Speed | Speed Resolution | Maximum Angular Momentum | Angular Motion Per Motor Rev | Motor Rated Current | Motor Winding Resistance | Motor Winding Inductance | Motor Frame Size | Gear Ratio | Stage Top Dimension | Bearing Plane Offset | Guide Type | Mounting Interface |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RST120AK-T3A | 2.4 kg (5.291 lb) | 0.16° (2.792 mrad) | < 0.005° (< 0.087 mrad) | +/- 3 µm (+/- 0.000118") | < 3 µm (< 0.000118") | +/- 0.0014° (+/- 24.43 µrad) | 0.00015625° (2.727 µrad) | 10 N⋅m (7.38 lb⋅ft) | 10 N⋅m (7.38 lb⋅ft) | 500 N (112.1 lb) | 20 N⋅m (14.76 lb⋅ft) | 870 N⋅m/° (20.1 µrad/N⋅m) | 24°/s (4 rpm) | 0.000095°/s (1.658 µrad/s) | 0.000095°/s (1.658 µrad/s) | 0.4 kg⋅m2/s | 2° | 1500 mA/phase | 2.4 ohms/phase | 6.6 mH/phase | 17 | 180:1 | 120 mm (4.724") | 27.1 mm (1.067") | Preloaded Ball Bearing | Kinematic with M2.5 and M6 threaded holes |
| RST240B-T3A | 14.5 kg (31.967 lb) | 0.075° (1.30875 mrad) | < 0.0015° (< 0.026 mrad) | +/- 2.5 µm (+/- 0.000098") | < 4 µm (< 0.000157") | +/- 0.003° (+/- 52.36 µrad) | 0.00027574° (4.812 µrad) | 70 N⋅m (51.66 lb⋅ft) | 45 N⋅m (33.21 lb⋅ft) | 3000 N (672.8 lb) | 200 N⋅m (147.6 lb⋅ft) | 8000 N⋅m/° (2.2 µrad/N⋅m) | 60°/s (10 rpm) | 0.000168°/s (2.932 µrad/s) | 0.000168°/s (2.932 µrad/s) | 1.6 kg⋅m2/s | 3.5294° | 3000 mA/phase | 0.53 ohms/phase | 2 mH/phase | 23 | 102:1 | 240 mm (9.449") | 30.75 mm (1.211") | Crossed-Roller Bearing | M6 threaded holes and M8 mounting holes |
Specification Charts & Notes
Thrust or torque is a function of speed. The values given above are maximums. These values cannot both be achieved simultaneously (i.e. at maximum speed, the unit will not produce maximum thrust).
Torque Speed Performance
